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23708141 = 229103529
BaseRepresentation
bin101101001110…
…0000111101101
31122121111110022
41122130013231
522032130031
62204051525
7405341642
oct132340755
948544408
1023708141
1112423306
127b33ba5
134bb11b2
143211dc9
15213497b
hex169c1ed

23708141 has 4 divisors (see below), whose sum is σ = 23811900. Its totient is φ = 23604384.

The previous prime is 23708131. The next prime is 23708159. The reversal of 23708141 is 14180732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10956100 + 12752041 = 3310^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 23708141 - 214 = 23691757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23708141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23708131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51536 + ... + 51993.

It is an arithmetic number, because the mean of its divisors is an integer number (5952975).

Almost surely, 223708141 is an apocalyptic number.

It is an amenable number.

23708141 is a deficient number, since it is larger than the sum of its proper divisors (103759).

23708141 is a wasteful number, since it uses less digits than its factorization.

23708141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103758.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 23708141 is about 4869.1006356410. The cubic root of 23708141 is about 287.2758822995.

Adding to 23708141 its reverse (14180732), we get a palindrome (37888873).

The spelling of 23708141 in words is "twenty-three million, seven hundred eight thousand, one hundred forty-one".

Divisors: 1 229 103529 23708141